electronics Tutorials

electronics Projects

DC-DC converter (chopper)

What is Chopper?
A chopper is a static device that converts fixed dc input voltage to a variable dc output voltage directly.Â A chopper is a high-speed on/off semiconductor switch. It connects source to load and disconnects the load from source at high-speed.Â Also known as dc-to-dc converter.Â Widely used for motor control.Â Also used in regenerative braking.Types of Chopper:
â€¢ Step-up choppers.
In step up chopper output voltage is more than input voltage.
â€¢ Step-down choppers.
In step down chopper output voltage is less than input voltage.